Question

The scores on a test have a mean of 78 and a standard deviation of 6.5. A student scored a 67 on the test. What is the Z-Score associated with this score?

Answer 1

Explanation:

Your input: find the z-score of x=2 with μ=32 and σ=25.

Z-score is calculated according to the following formula:

z=x−μσ=2−3225=54.

Answer: the z-score is z=54.

Answer 2

76

Explanation: